United States · 2025
Iowa vs Colorado Income Tax 2025
At a $100K salary, Iowa is about $600 cheaper in 2025.
At common incomes, what's the tax difference?
Federal + state income tax after the standard deduction, 2025. Excludes FICA.Compare your income
$
We'll pin your result at the top.Income
Iowa tax
Colorado tax
Difference
$50,000single filer
$5,77211.5% effective
$6,07212.1% effective
$300 lessin Iowa
$100,000single filer
$17,24917.2% effective
$17,84917.8% effective
$600 lessin Iowa
$200,000single filer
$44,66722.3% effective
$45,86722.9% effective
$1,200 lessin Iowa
Federal income tax — same for both
7 brackets · 10–37% · applies on top of state rates
10%
to $11,925
12%
to $48,475
22%
to $103,350
24%
to $197,300
32%
to $250,525
35%
to $626,350
37%
$626,351+
IA
Iowa
CO
Colorado